arm-rpi4: pulseaudio customization

Changed audio scheduling from timer-based to interrupt-driven to prevent unwanted crackle.

arm-rpi4: pulseaudio customization
6d6cd631 · Dmitriy Terekhin · Anton Midyukov · f30d929a · 6d6cd631
Commit 6d6cd631 authored Jul 07, 2020 by Dmitriy Terekhin Committed by Anton Midyukov Aug 02, 2020
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82-timer-based-to-interrupt-driven ...m-rpi4/image-scripts.d/82-timer-based-to-interrupt-driven +11 -0

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--- a/features.in/arm-rpi4/image-scripts.d/82-timer-based-to-interrupt-driven
+++ b/features.in/arm-rpi4/image-scripts.d/82-timer-based-to-interrupt-driven
+#!/bin/sh -efu
+
+# Changed audio scheduling from timer-based to
+# interrupt-driven to prevent unwanted crackle.
+
+pafile="/etc/pulse/default.pa"
+
+if [ -f "$pafile" ]
+then
+	sed -i 's/^load-module module-udev-detect$/load-module module-udev-detect tsched=0/' "$pafile"
+fi